145561460 has 48 divisors (see below), whose sum is σ = 334357632. Its totient is φ = 52790400.

The previous prime is 145561447. The next prime is 145561477. The reversal of 145561460 is 64165541.

145561460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 118409 + ... + 119631.

It is an arithmetic number, because the mean of its divisors is an integer number (6965784).

Almost surely, 2^145561460 is an apocalyptic number.

145561460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145561460 is an abundant number, since it is smaller than the sum of its proper divisors (188796172).

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

145561460 is a wasteful number, since it uses less digits than its factorization.

145561460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 145561460 is about 12064.8854118056. The cubic root of 145561460 is about 526.0360011406.

The spelling of 145561460 in words is "one hundred forty-five million, five hundred sixty-one thousand, four hundred sixty".