1157048146 has 8 divisors (see below), whose sum is σ = 1737001980. Its totient is φ = 578047488.

The previous prime is 1157048059. The next prime is 1157048147. The reversal of 1157048146 is 6418407511.

It can be written as a sum of positive squares in 2 ways, for example, as 1089726121 + 67322025 = 33011^2 + 8205^2 .

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 (1157048147) 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, 235251 + ... + 240118.

Almost surely, 2^1157048146 is an apocalyptic number.

1157048146 is a deficient number, since it is larger than the sum of its proper divisors (579953834).

1157048146 is a wasteful number, since it uses less digits than its factorization.

1157048146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476588.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1157048146 is about 34015.4104193967. The cubic root of 1157048146 is about 1049.8255631614.

The spelling of 1157048146 in words is "one billion, one hundred fifty-seven million, forty-eight thousand, one hundred forty-six".