145509036 has 48 divisors (see below), whose sum is σ = 344940288. Its totient is φ = 47736000.

The previous prime is 145509019. The next prime is 145509047. The reversal of 145509036 is 630905541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145508988 and 145509006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237066 + ... + 237678.

It is an arithmetic number, because the mean of its divisors is an integer number (7186256).

Almost surely, 2^145509036 is an apocalyptic number.

It is an amenable number.

145509036 is an abundant number, since it is smaller than the sum of its proper divisors (199431252).

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

145509036 is a wasteful number, since it uses less digits than its factorization.

145509036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 145509036 is about 12062.7126302503. The cubic root of 145509036 is about 525.9728428875.

The spelling of 145509036 in words is "one hundred forty-five million, five hundred nine thousand, thirty-six".