157303146 has 96 divisors (see below), whose sum is σ = 425787264. Its totient is φ = 37699200.

The previous prime is 157303117. The next prime is 157303189. The reversal of 157303146 is 641303751.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64876 + ... + 67256.

It is an arithmetic number, because the mean of its divisors is an integer number (4435284).

Almost surely, 2^157303146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157303146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212893632).

157303146 is an abundant number, since it is smaller than the sum of its proper divisors (268484118).

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

157303146 is a wasteful number, since it uses less digits than its factorization.

157303146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 157303146 is about 12542.0550947602. The cubic root of 157303146 is about 539.8160621817.

Adding to 157303146 its reverse (641303751), we get a palindrome (798606897).

It can be divided in two parts, 157 and 303146, that added together give a palindrome (303303).

The spelling of 157303146 in words is "one hundred fifty-seven million, three hundred three thousand, one hundred forty-six".