145314522 has 48 divisors (see below), whose sum is σ = 321965280. Its totient is φ = 47353056.

The previous prime is 145314517. The next prime is 145314541. The reversal of 145314522 is 225413541.

It is a super-2 number, since 2×145314522² = 42232620608176968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310933 + ... + 311399.

It is an arithmetic number, because the mean of its divisors is an integer number (6707610).

Almost surely, 2^145314522 is an apocalyptic number.

145314522 is an abundant number, since it is smaller than the sum of its proper divisors (176650758).

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

145314522 is a wasteful number, since it uses less digits than its factorization.

145314522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 824 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 145314522 is about 12054.6473196025. The cubic root of 145314522 is about 525.7383678643.

The spelling of 145314522 in words is "one hundred forty-five million, three hundred fourteen thousand, five hundred twenty-two".