145452136 has 16 divisors (see below), whose sum is σ = 288765540. Its totient is φ = 68448000.

The previous prime is 145452113. The next prime is 145452137. The reversal of 145452136 is 631254541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136749636 + 8702500 = 11694^2 + 2950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145452098 and 145452107.

It is not an unprimeable number, because it can be changed into a prime (145452137) 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, 534615 + ... + 534886.

Almost surely, 2^145452136 is an apocalyptic number.

It is an amenable number.

145452136 is a deficient number, since it is larger than the sum of its proper divisors (143313404).

145452136 is a wasteful number, since it uses less digits than its factorization.

145452136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069524 (or 1069520 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 145452136 is about 12060.3538919884. The cubic root of 145452136 is about 525.9042749657.

The spelling of 145452136 in words is "one hundred forty-five million, four hundred fifty-two thousand, one hundred thirty-six".