145534223464 has 32 divisors (see below), whose sum is σ = 312239001600. Its totient is φ = 62295819840.

The previous prime is 145534223453. The next prime is 145534223489. The reversal of 145534223464 is 464322435541.

It is a self number, because there is not a number n which added to its sum of digits gives 145534223464.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536744 + ... + 1628695.

It is an arithmetic number, because the mean of its divisors is an integer number (9757468800).

Almost surely, 2^145534223464 is an apocalyptic number.

145534223464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145534223464 is an abundant number, since it is smaller than the sum of its proper divisors (166704778136).

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

145534223464 is a wasteful number, since it uses less digits than its factorization.

145534223464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166273 (or 3166269 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 43.

The spelling of 145534223464 in words is "one hundred forty-five billion, five hundred thirty-four million, two hundred twenty-three thousand, four hundred sixty-four".