157621045 has 8 divisors (see below), whose sum is σ = 189213696. Its totient is φ = 126051216.

The previous prime is 157621039. The next prime is 157621091. The reversal of 157621045 is 540126751.

157621045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157621045 - 2¹¹ = 157618997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157620998 and 157621016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20164 + ... + 26866.

It is an arithmetic number, because the mean of its divisors is an integer number (23651712).

Almost surely, 2^157621045 is an apocalyptic number.

It is an amenable number.

157621045 is a deficient number, since it is larger than the sum of its proper divisors (31592651).

157621045 is an equidigital number, since it uses as much as digits as its factorization.

157621045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11411.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 157621045 is about 12554.7220200210. The cubic root of 157621045 is about 540.1794613853.

Adding to 157621045 its reverse (540126751), we get a palindrome (697747796).

It can be divided in two parts, 15762 and 1045, that added together give a 5-th power (16807 = 7⁵).

The spelling of 157621045 in words is "one hundred fifty-seven million, six hundred twenty-one thousand, forty-five".