113145532 has 24 divisors (see below), whose sum is σ = 209139840. Its totient is φ = 53411760.

The previous prime is 113145521. The next prime is 113145541. The reversal of 113145532 is 235541311.

It is a happy number.

It is a super-2 number, since 2×113145532² = 25603822823126048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113145497 and 113145506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21243 + ... + 26029.

It is an arithmetic number, because the mean of its divisors is an integer number (8714160).

Almost surely, 2^113145532 is an apocalyptic number.

It is an amenable number.

113145532 is a deficient number, since it is larger than the sum of its proper divisors (95994308).

113145532 is a wasteful number, since it uses less digits than its factorization.

113145532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121 (or 5119 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 113145532 is about 10636.9888596350. The cubic root of 113145532 is about 483.6662715450. Note that the first 3 decimals are identical.

Adding to 113145532 its reverse (235541311), we get a palindrome (348686843).

The spelling of 113145532 in words is "one hundred thirteen million, one hundred forty-five thousand, five hundred thirty-two".