145478032 has 20 divisors (see below), whose sum is σ = 322130176. Its totient is φ = 62347680.

The previous prime is 145478029. The next prime is 145478033. The reversal of 145478032 is 230874541.

It is not an unprimeable number, because it can be changed into a prime (145478033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649344 + ... + 649567.

Almost surely, 2^145478032 is an apocalyptic number.

It is an amenable number.

145478032 is an abundant number, since it is smaller than the sum of its proper divisors (176652144).

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

145478032 is a wasteful number, since it uses less digits than its factorization.

145478032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298926 (or 1298920 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 145478032 is about 12061.4274445440. The cubic root of 145478032 is about 525.9354834199.

The spelling of 145478032 in words is "one hundred forty-five million, four hundred seventy-eight thousand, thirty-two".