157143270 has 32 divisors (see below), whose sum is σ = 377540352. Its totient is φ = 41860832.

The previous prime is 157143269. The next prime is 157143353. The reversal of 157143270 is 72341751.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34549 + ... + 38831.

It is an arithmetic number, because the mean of its divisors is an integer number (11798136).

Almost surely, 2^157143270 is an apocalyptic number.

157143270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157143270 is an abundant number, since it is smaller than the sum of its proper divisors (220397082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157143270 is a wasteful number, since it uses less digits than its factorization.

157143270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 157143270 is about 12535.6798778527. The cubic root of 157143270 is about 539.6331184202.

The spelling of 157143270 in words is "one hundred fifty-seven million, one hundred forty-three thousand, two hundred seventy".