145203632 has 80 divisors (see below), whose sum is σ = 333645312. Its totient is φ = 59927040.

The previous prime is 145203599. The next prime is 145203649. The reversal of 145203632 is 236302541.

It is a congruent number.

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, 472823 + ... + 473129.

Almost surely, 2^145203632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145203632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166822656).

145203632 is an abundant number, since it is smaller than the sum of its proper divisors (188441680).

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

145203632 is a wasteful number, since it uses less digits than its factorization.

145203632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 145203632 is about 12050.0469708628. The cubic root of 145203632 is about 525.6046029280.

The spelling of 145203632 in words is "one hundred forty-five million, two hundred three thousand, six hundred thirty-two".