145214879472 has 60 divisors (see below), whose sum is σ = 437661517384. Its totient is φ = 44681500800.

The previous prime is 145214879443. The next prime is 145214879479. The reversal of 145214879472 is 274978412541.

It is a happy number.

145214879472 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 1 + 487 + 94 + 72 = 666.

It is a super-2 number, since 2×145214879472² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145214879479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38784154 + ... + 38787897.

Almost surely, 2^145214879472 is an apocalyptic number.

145214879472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145214879472 is an abundant number, since it is smaller than the sum of its proper divisors (292446637912).

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

145214879472 is a wasteful number, since it uses less digits than its factorization.

145214879472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77572078 (or 77572069 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 145214879472 in words is "one hundred forty-five billion, two hundred fourteen million, eight hundred seventy-nine thousand, four hundred seventy-two".