1147234154 has 64 divisors (see below), whose sum is σ = 2032055424. Its totient is φ = 484000000.

The previous prime is 1147234147. The next prime is 1147234157. The reversal of 1147234154 is 4514327411.

It is a super-2 number, since 2×1147234154² = 2632292408208191432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1147234154.

It is not an unprimeable number, because it can be changed into a prime (1147234157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4570529 + ... + 4570779.

It is an arithmetic number, because the mean of its divisors is an integer number (31750866).

Almost surely, 2^1147234154 is an apocalyptic number.

1147234154 is a deficient number, since it is larger than the sum of its proper divisors (884821270).

1147234154 is a wasteful number, since it uses less digits than its factorization.

1147234154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 382 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 1147234154 is about 33870.8451916984. The cubic root of 1147234154 is about 1046.8489519608.

The spelling of 1147234154 in words is "one billion, one hundred forty-seven million, two hundred thirty-four thousand, one hundred fifty-four".