145520536 has 32 divisors (see below), whose sum is σ = 316110240. Its totient is φ = 61509888.

The previous prime is 145520503. The next prime is 145520539. The reversal of 145520536 is 635025541.

145520536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145520498 and 145520507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145520539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13711 + ... + 21886.

It is an arithmetic number, because the mean of its divisors is an integer number (9878445).

Almost surely, 2^145520536 is an apocalyptic number.

It is an amenable number.

145520536 is an abundant number, since it is smaller than the sum of its proper divisors (170589704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145520536 is a wasteful number, since it uses less digits than its factorization.

145520536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35683 (or 35679 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 145520536 is about 12063.1892963677. The cubic root of 145520536 is about 525.9866989075.

The spelling of 145520536 in words is "one hundred forty-five million, five hundred twenty thousand, five hundred thirty-six".