145025461522 has 4 divisors (see below), whose sum is σ = 217538192286. Its totient is φ = 72512730760.

The previous prime is 145025461487. The next prime is 145025461541. The reversal of 145025461522 is 225164520541.

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., 143482621681 + 1542839841 = 378791^2 + 39279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36256365379 + ... + 36256365382.

Almost surely, 2^145025461522 is an apocalyptic number.

145025461522 is a deficient number, since it is larger than the sum of its proper divisors (72512730764).

145025461522 is an equidigital number, since it uses as much as digits as its factorization.

145025461522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72512730763.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 145025461522 in words is "one hundred forty-five billion, twenty-five million, four hundred sixty-one thousand, five hundred twenty-two".