145912458 has 8 divisors (see below), whose sum is σ = 291824928. Its totient is φ = 48637484.

The previous prime is 145912433. The next prime is 145912463. The reversal of 145912458 is 854219541.

It is a sphenic number, since it is the product of 3 distinct primes.

145912458 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12159366 + ... + 12159377.

It is an arithmetic number, because the mean of its divisors is an integer number (36478116).

Almost surely, 2^145912458 is an apocalyptic number.

145912458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145912458 is a wasteful number, since it uses less digits than its factorization.

145912458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24318748.

The product of its digits is 57600, while the sum is 39.

The square root of 145912458 is about 12079.4229166794. The cubic root of 145912458 is about 526.4584787545.

The spelling of 145912458 in words is "one hundred forty-five million, nine hundred twelve thousand, four hundred fifty-eight".