145465446 has 32 divisors (see below), whose sum is σ = 334897920. Its totient is φ = 41260896.

The previous prime is 145465433. The next prime is 145465471. The reversal of 145465446 is 644564541.

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, 6621 + ... + 18296.

It is an arithmetic number, because the mean of its divisors is an integer number (10465560).

Almost surely, 2^145465446 is an apocalyptic number.

145465446 is an abundant number, since it is smaller than the sum of its proper divisors (189432474).

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

145465446 is a wasteful number, since it uses less digits than its factorization.

145465446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25068.

The product of its digits is 230400, while the sum is 39.

The square root of 145465446 is about 12060.9056873852. The cubic root of 145465446 is about 525.9203159182.

The spelling of 145465446 in words is "one hundred forty-five million, four hundred sixty-five thousand, four hundred forty-six".