157149 has 12 divisors (see below), whose sum is σ = 239200. Its totient is φ = 99144.

The previous prime is 157141. The next prime is 157163. The reversal of 157149 is 941751.

157149 = T₁₁₉ + T₁₂₀ + ... + T₁₃₇.

It is not a de Polignac number, because 157149 - 2³ = 157141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289 + ... + 630.

2¹⁵⁷¹⁴⁹ is an apocalyptic number.

157149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

157149 is a deficient number, since it is larger than the sum of its proper divisors (82051).

157149 is a wasteful number, since it uses less digits than its factorization.

157149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 941 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 157149 is about 396.4202315725. The cubic root of 157149 is about 53.9639677319.

The spelling of 157149 in words is "one hundred fifty-seven thousand, one hundred forty-nine".