149632057 has 4 divisors (see below), whose sum is σ = 150188580. Its totient is φ = 149075536.

The previous prime is 149632031. The next prime is 149632069. The reversal of 149632057 is 750236941.

149632057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56490256 + 93141801 = 7516^2 + 9651^2 .

It is a cyclic number.

It is not a de Polignac number, because 149632057 - 2¹¹ = 149630009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149632957) 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, 277858 + ... + 278395.

It is an arithmetic number, because the mean of its divisors is an integer number (37547145).

Almost surely, 2^149632057 is an apocalyptic number.

It is an amenable number.

149632057 is a deficient number, since it is larger than the sum of its proper divisors (556523).

149632057 is an equidigital number, since it uses as much as digits as its factorization.

149632057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556522.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 149632057 is about 12232.4182809451. The cubic root of 149632057 is about 530.8944869046.

Adding to 149632057 its reverse (750236941), we get a palindrome (899868998).

It can be divided in two parts, 14963 and 2057, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 149632057 in words is "one hundred forty-nine million, six hundred thirty-two thousand, fifty-seven".