1154750538 has 32 divisors (see below), whose sum is σ = 2416697856. Its totient is φ = 367443648.

The previous prime is 1154750533. The next prime is 1154750599. The reversal of 1154750538 is 8350574511.

It is a super-2 number, since 2×1154750538² = 2666897610022578888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1154750496 and 1154750505.

It is not an unprimeable number, because it can be changed into a prime (1154750533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37306 + ... + 60837.

It is an arithmetic number, because the mean of its divisors is an integer number (75521808).

Almost surely, 2^1154750538 is an apocalyptic number.

1154750538 is an abundant number, since it is smaller than the sum of its proper divisors (1261947318).

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

1154750538 is a wasteful number, since it uses less digits than its factorization.

1154750538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98238.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 1154750538 is about 33981.6205911372. The cubic root of 1154750538 is about 1049.1302057598.

The spelling of 1154750538 in words is "one billion, one hundred fifty-four million, seven hundred fifty thousand, five hundred thirty-eight".