157406146 has 8 divisors (see below), whose sum is σ = 248536080. Its totient is φ = 74560788.

The previous prime is 157406143. The next prime is 157406147. The reversal of 157406146 is 641604751.

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

It is not an unprimeable number, because it can be changed into a prime (157406143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071096 + ... + 2071171.

It is an arithmetic number, because the mean of its divisors is an integer number (31067010).

Almost surely, 2^157406146 is an apocalyptic number.

157406146 is a deficient number, since it is larger than the sum of its proper divisors (91129934).

157406146 is a wasteful number, since it uses less digits than its factorization.

157406146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142288.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 157406146 is about 12546.1606079310. The cubic root of 157406146 is about 539.9338579254.

The spelling of 157406146 in words is "one hundred fifty-seven million, four hundred six thousand, one hundred forty-six".