145122562 has 8 divisors (see below), whose sum is σ = 234428796. Its totient is φ = 66979632.

The previous prime is 145122553. The next prime is 145122569. The reversal of 145122562 is 265221541.

It can be written as a sum of positive squares in 2 ways, for example, as 142778601 + 2343961 = 11949^2 + 1531^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 145122562.

It is not an unprimeable number, because it can be changed into a prime (145122569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2790793 + ... + 2790844.

Almost surely, 2^145122562 is an apocalyptic number.

145122562 is a deficient number, since it is larger than the sum of its proper divisors (89306234).

145122562 is a wasteful number, since it uses less digits than its factorization.

145122562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581652.

The product of its digits is 4800, while the sum is 28.

The square root of 145122562 is about 12046.6826138983. The cubic root of 145122562 is about 525.5067663079.

The spelling of 145122562 in words is "one hundred forty-five million, one hundred twenty-two thousand, five hundred sixty-two".