157980045 has 8 divisors (see below), whose sum is σ = 252768096. Its totient is φ = 84256016.

The previous prime is 157980007. The next prime is 157980049. The reversal of 157980045 is 540089751.

157980045 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 157980045 - 2¹⁰ = 157979021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157979985 and 157980012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157980049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5265987 + ... + 5266016.

It is an arithmetic number, because the mean of its divisors is an integer number (31596012).

Almost surely, 2^157980045 is an apocalyptic number.

157980045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157980045 is a deficient number, since it is larger than the sum of its proper divisors (94788051).

157980045 is a wasteful number, since it uses less digits than its factorization.

157980045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532011.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 157980045 is about 12569.0112976320. The cubic root of 157980045 is about 540.5892573071.

The spelling of 157980045 in words is "one hundred fifty-seven million, nine hundred eighty thousand, forty-five".