151149 has 4 divisors (see below), whose sum is σ = 201536. Its totient is φ = 100764.

The previous prime is 151141. The next prime is 151153. The reversal of 151149 is 941151.

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: 941151 = 3 ⋅313717.

It is not a de Polignac number, because 151149 - 2³ = 151141 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151149.

It is not an unprimeable number, because it can be changed into a prime (151141) 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, 25189 + ... + 25194.

It is an arithmetic number, because the mean of its divisors is an integer number (50384).

2¹⁵¹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

151149 is a deficient number, since it is larger than the sum of its proper divisors (50387).

151149 is an equidigital number, since it uses as much as digits as its factorization.

151149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50386.

The product of its digits is 180, while the sum is 21.

The square root of 151149 is about 388.7788574498. The cubic root of 151149 is about 53.2682496024.

It can be divided in two parts, 151 and 149, that added together give a triangular number (300 = T₂₄).

The spelling of 151149 in words is "one hundred fifty-one thousand, one hundred forty-nine".