157105461 has 8 divisors (see below), whose sum is σ = 209535904. Its totient is φ = 104706000.

The previous prime is 157105447. The next prime is 157105493. The reversal of 157105461 is 164501751.

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

It is not a de Polignac number, because 157105461 - 2⁶ = 157105397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157105411) 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, 9711 + ... + 20211.

It is an arithmetic number, because the mean of its divisors is an integer number (26191988).

Almost surely, 2^157105461 is an apocalyptic number.

It is an amenable number.

157105461 is a deficient number, since it is larger than the sum of its proper divisors (52430443).

157105461 is a wasteful number, since it uses less digits than its factorization.

157105461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15491.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 157105461 is about 12534.1717317101. The cubic root of 157105461 is about 539.5898359958.

The spelling of 157105461 in words is "one hundred fifty-seven million, one hundred five thousand, four hundred sixty-one".