145403460 has 36 divisors (see below), whose sum is σ = 441057708. Its totient is φ = 38774208.

The previous prime is 145403459. The next prime is 145403471. The reversal of 145403460 is 64304541.

It can be written as a sum of positive squares in 2 ways, for example, as 94595076 + 50808384 = 9726^2 + 7128^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×145403460² = 42284332359943200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403719 + ... + 404078.

It is an arithmetic number, because the mean of its divisors is an integer number (12251603).

Almost surely, 2^145403460 is an apocalyptic number.

145403460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145403460 is an abundant number, since it is smaller than the sum of its proper divisors (295654248).

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

145403460 is a wasteful number, since it uses less digits than its factorization.

145403460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807812 (or 807807 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 145403460 is about 12058.3357060583. The cubic root of 145403460 is about 525.8456032649.

The spelling of 145403460 in words is "one hundred forty-five million, four hundred three thousand, four hundred sixty".