157303605 has 16 divisors (see below), whose sum is σ = 255443904. Its totient is φ = 82642560.

The previous prime is 157303577. The next prime is 157303607. The reversal of 157303605 is 506303751.

It is not a de Polignac number, because 157303605 - 2⁷ = 157303477 is a prime.

It is a super-4 number, since 4×157303605⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157303607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77256 + ... + 79265.

It is an arithmetic number, because the mean of its divisors is an integer number (15965244).

Almost surely, 2^157303605 is an apocalyptic number.

157303605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157303605 is a deficient number, since it is larger than the sum of its proper divisors (98140299).

157303605 is a wasteful number, since it uses less digits than its factorization.

157303605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156596.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 157303605 is about 12542.0733931834. The cubic root of 157303605 is about 539.8165872302.

The spelling of 157303605 in words is "one hundred fifty-seven million, three hundred three thousand, six hundred five".