145513532 has 12 divisors (see below), whose sum is σ = 263429880. Its totient is φ = 70247856.

The previous prime is 145513517. The next prime is 145513553. The reversal of 145513532 is 235315541.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 145513495 and 145513504.

It is a congruent number.

It is an unprimeable number.

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, 627098 + ... + 627329.

It is an arithmetic number, because the mean of its divisors is an integer number (21952490).

Almost surely, 2^145513532 is an apocalyptic number.

It is an amenable number.

145513532 is a deficient number, since it is larger than the sum of its proper divisors (117916348).

145513532 is a wasteful number, since it uses less digits than its factorization.

145513532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254460 (or 1254458 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 145513532 is about 12062.8989882200. The cubic root of 145513532 is about 525.9782600758.

The spelling of 145513532 in words is "one hundred forty-five million, five hundred thirteen thousand, five hundred thirty-two".