151620461 has 4 divisors (see below), whose sum is σ = 151648800. Its totient is φ = 151592124.

The previous prime is 151620457. The next prime is 151620527. The reversal of 151620461 is 164026151.

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.

It is a cyclic number.

It is not a de Polignac number, because 151620461 - 2² = 151620457 is a prime.

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 151620461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151620401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3431 + ... + 17748.

It is an arithmetic number, because the mean of its divisors is an integer number (37912200).

Almost surely, 2^151620461 is an apocalyptic number.

It is an amenable number.

151620461 is a deficient number, since it is larger than the sum of its proper divisors (28339).

151620461 is an equidigital number, since it uses as much as digits as its factorization.

151620461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28338.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 151620461 is about 12313.4260463934. The cubic root of 151620461 is about 533.2357654420.

The spelling of 151620461 in words is "one hundred fifty-one million, six hundred twenty thousand, four hundred sixty-one".