145356522 has 8 divisors (see below), whose sum is σ = 290713056. Its totient is φ = 48452172.

The previous prime is 145356509. The next prime is 145356553. The reversal of 145356522 is 225653541.

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

145356522 is an admirable number.

It is a super-2 number, since 2×145356522² = 42257036975872968, which contains 22 as substring.

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, 12113038 + ... + 12113049.

It is an arithmetic number, because the mean of its divisors is an integer number (36339132).

Almost surely, 2^145356522 is an apocalyptic number.

145356522 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.

145356522 is a wasteful number, since it uses less digits than its factorization.

145356522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226092.

The product of its digits is 36000, while the sum is 33.

The square root of 145356522 is about 12056.3892604710. The cubic root of 145356522 is about 525.7890140629.

It can be divided in two parts, 1453 and 56522, that added together give a palindrome (57975).

The spelling of 145356522 in words is "one hundred forty-five million, three hundred fifty-six thousand, five hundred twenty-two".