145152645 has 16 divisors (see below), whose sum is σ = 253357632. Its totient is φ = 70376960.

The previous prime is 145152629. The next prime is 145152659. The reversal of 145152645 is 546251541.

It is not a de Polignac number, because 145152645 - 2⁴ = 145152629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 439692 + ... + 440021.

It is an arithmetic number, because the mean of its divisors is an integer number (15834852).

Almost surely, 2^145152645 is an apocalyptic number.

145152645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145152645 is a deficient number, since it is larger than the sum of its proper divisors (108204987).

145152645 is a wasteful number, since it uses less digits than its factorization.

145152645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879732.

The product of its digits is 24000, while the sum is 33.

The square root of 145152645 is about 12047.9311502017. The cubic root of 145152645 is about 525.5430752217.

The spelling of 145152645 in words is "one hundred forty-five million, one hundred fifty-two thousand, six hundred forty-five".