145421499462 has 32 divisors (see below), whose sum is σ = 292226428032. Its totient is φ = 48243734784.

The previous prime is 145421499449. The next prime is 145421499499. The reversal of 145421499462 is 264994124541.

145421499462 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145421499462² (a number of 23 digits) contains 22 as substring.

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, 1181013 + ... + 1298319.

It is an arithmetic number, because the mean of its divisors is an integer number (9132075876).

Almost surely, 2^145421499462 is an apocalyptic number.

145421499462 is an abundant number, since it is smaller than the sum of its proper divisors (146804928570).

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

145421499462 is a wasteful number, since it uses less digits than its factorization.

145421499462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118292.

The product of its digits is 2488320, while the sum is 51.

The spelling of 145421499462 in words is "one hundred forty-five billion, four hundred twenty-one million, four hundred ninety-nine thousand, four hundred sixty-two".