157481684 has 12 divisors (see below), whose sum is σ = 275743104. Its totient is φ = 78697944.

The previous prime is 157481683. The next prime is 157481699. The reversal of 157481684 is 486184751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157481683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604 + ... + 17819.

It is an arithmetic number, because the mean of its divisors is an integer number (22978592).

Almost surely, 2^157481684 is an apocalyptic number.

It is an amenable number.

157481684 is a deficient number, since it is larger than the sum of its proper divisors (118261420).

157481684 is a wasteful number, since it uses less digits than its factorization.

157481684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21454 (or 21452 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 157481684 is about 12549.1706498876. The cubic root of 157481684 is about 540.0202141496.

The spelling of 157481684 in words is "one hundred fifty-seven million, four hundred eighty-one thousand, six hundred eighty-four".