151830901 has 4 divisors (see below), whose sum is σ = 156728704. Its totient is φ = 146933100.

The previous prime is 151830883. The next prime is 151830907. The reversal of 151830901 is 109038151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109038151 = 2557 ⋅42643.

It is a cyclic number.

It is not a de Polignac number, because 151830901 - 2⁷ = 151830773 is a prime.

It is a super-3 number, since 3×151830901³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151830901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151830907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2448855 + ... + 2448916.

It is an arithmetic number, because the mean of its divisors is an integer number (39182176).

Almost surely, 2^151830901 is an apocalyptic number.

It is an amenable number.

151830901 is a deficient number, since it is larger than the sum of its proper divisors (4897803).

151830901 is an equidigital number, since it uses as much as digits as its factorization.

151830901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897802.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 151830901 is about 12321.9682275195. The cubic root of 151830901 is about 533.4823510243.

The spelling of 151830901 in words is "one hundred fifty-one million, eight hundred thirty thousand, nine hundred one".