157452190489 has 16 divisors (see below), whose sum is σ = 181631439360. Its totient is φ = 135142416000.

The previous prime is 157452190471. The next prime is 157452190513. The reversal of 157452190489 is 984091254751.

It is a cyclic number.

It is not a de Polignac number, because 157452190489 - 2¹¹ = 157452188441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157452190409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5616954 + ... + 5644915.

It is an arithmetic number, because the mean of its divisors is an integer number (11351964960).

Almost surely, 2^157452190489 is an apocalyptic number.

It is an amenable number.

157452190489 is a deficient number, since it is larger than the sum of its proper divisors (24179248871).

157452190489 is a wasteful number, since it uses less digits than its factorization.

157452190489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11261952.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 157452190489 in words is "one hundred fifty-seven billion, four hundred fifty-two million, one hundred ninety thousand, four hundred eighty-nine".