157113405 has 48 divisors (see below), whose sum is σ = 296783040. Its totient is φ = 78845184.

The previous prime is 157113403. The next prime is 157113431. The reversal of 157113405 is 504311751.

It is not a de Polignac number, because 157113405 - 2¹ = 157113403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157113403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37002 + ... + 41028.

It is an arithmetic number, because the mean of its divisors is an integer number (6182980).

Almost surely, 2^157113405 is an apocalyptic number.

157113405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157113405 is a deficient number, since it is larger than the sum of its proper divisors (139669635).

157113405 is a wasteful number, since it uses less digits than its factorization.

157113405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 157113405 is about 12534.4886213998. The cubic root of 157113405 is about 539.5989305861.

The spelling of 157113405 in words is "one hundred fifty-seven million, one hundred thirteen thousand, four hundred five".