151644445 has 16 divisors (see below), whose sum is σ = 190757952. Its totient is φ = 115597440.

The previous prime is 151644439. The next prime is 151644457. The reversal of 151644445 is 544446151.

It is a de Polignac number, because none of the positive numbers 2^k-151644445 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151644445.

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, 214 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (11922372).

Almost surely, 2^151644445 is an apocalyptic number.

It is an amenable number.

151644445 is a deficient number, since it is larger than the sum of its proper divisors (39113507).

151644445 is a wasteful number, since it uses less digits than its factorization.

151644445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17292.

The product of its digits is 38400, while the sum is 34.

The square root of 151644445 is about 12314.3999041772. The cubic root of 151644445 is about 533.2638804959.

The spelling of 151644445 in words is "one hundred fifty-one million, six hundred forty-four thousand, four hundred forty-five".