157106444 has 12 divisors (see below), whose sum is σ = 299930568. Its totient is φ = 71412000.

The previous prime is 157106437. The next prime is 157106471. The reversal of 157106444 is 444601751.

It is a super-3 number, since 3×157106444³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157106444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785257 + ... + 1785344.

It is an arithmetic number, because the mean of its divisors is an integer number (24994214).

Almost surely, 2^157106444 is an apocalyptic number.

It is an amenable number.

157106444 is a deficient number, since it is larger than the sum of its proper divisors (142824124).

157106444 is a wasteful number, since it uses less digits than its factorization.

157106444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570616 (or 3570614 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 157106444 is about 12534.2109444512. The cubic root of 157106444 is about 539.5909613878.

It can be divided in two parts, 157 and 106444, that added together give a palindrome (106601).

The spelling of 157106444 in words is "one hundred fifty-seven million, one hundred six thousand, four hundred forty-four".