145613622 has 32 divisors (see below), whose sum is σ = 363089664. Its totient is φ = 37821600.

The previous prime is 145613617. The next prime is 145613651. The reversal of 145613622 is 226316541.

It is a self number, because there is not a number n which added to its sum of digits gives 145613622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157129 + ... + 158052.

It is an arithmetic number, because the mean of its divisors is an integer number (11346552).

Almost surely, 2^145613622 is an apocalyptic number.

145613622 is an abundant number, since it is smaller than the sum of its proper divisors (217476042).

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

145613622 is a wasteful number, since it uses less digits than its factorization.

145613622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315204.

The product of its digits is 8640, while the sum is 30.

The square root of 145613622 is about 12067.0469461256. The cubic root of 145613622 is about 526.0988286980.

The spelling of 145613622 in words is "one hundred forty-five million, six hundred thirteen thousand, six hundred twenty-two".