149203528 has 8 divisors (see below), whose sum is σ = 279756630. Its totient is φ = 74601760.

The previous prime is 149203519. The next prime is 149203529. The reversal of 149203528 is 825302941.

It can be written as a sum of positive squares in only one way, i.e., 86825124 + 62378404 = 9318^2 + 7898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 149203493 and 149203502.

It is not an unprimeable number, because it can be changed into a prime (149203529) 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 as a sum of consecutive naturals, namely, 9325213 + ... + 9325228.

Almost surely, 2^149203528 is an apocalyptic number.

It is an amenable number.

149203528 is a deficient number, since it is larger than the sum of its proper divisors (130553102).

149203528 is a wasteful number, since it uses less digits than its factorization.

149203528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18650447 (or 18650443 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 149203528 is about 12214.8896024483. The cubic root of 149203528 is about 530.3871954061.

The spelling of 149203528 in words is "one hundred forty-nine million, two hundred three thousand, five hundred twenty-eight".