1151657742 has 16 divisors (see below), whose sum is σ = 2305416960. Its totient is φ = 383535672.

The previous prime is 1151657737. The next prime is 1151657743. The reversal of 1151657742 is 2477561511.

It is a self number, because there is not a number n which added to its sum of digits gives 1151657742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151657743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80392 + ... + 93627.

It is an arithmetic number, because the mean of its divisors is an integer number (144088560).

Almost surely, 2^1151657742 is an apocalyptic number.

1151657742 is an abundant number, since it is smaller than the sum of its proper divisors (1153759218).

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

1151657742 is a wasteful number, since it uses less digits than its factorization.

1151657742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175127.

The product of its digits is 58800, while the sum is 39.

The square root of 1151657742 is about 33936.0831858952. The cubic root of 1151657742 is about 1048.1927314622.

The spelling of 1151657742 in words is "one billion, one hundred fifty-one million, six hundred fifty-seven thousand, seven hundred forty-two".