145534223162 has 4 divisors (see below), whose sum is σ = 218301334746. Its totient is φ = 72767111580.

The previous prime is 145534223117. The next prime is 145534223179. The reversal of 145534223162 is 261322435541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144112103641 + 1422119521 = 379621^2 + 37711^2 .

It is a super-2 number, since 2×145534223162² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36383555789 + ... + 36383555792.

Almost surely, 2^145534223162 is an apocalyptic number.

145534223162 is a deficient number, since it is larger than the sum of its proper divisors (72767111584).

145534223162 is an equidigital number, since it uses as much as digits as its factorization.

145534223162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72767111583.

The product of its digits is 172800, while the sum is 38.

The spelling of 145534223162 in words is "one hundred forty-five billion, five hundred thirty-four million, two hundred twenty-three thousand, one hundred sixty-two".