1151440545 has 16 divisors (see below), whose sum is σ = 1881504000. Its totient is φ = 601035264.

The previous prime is 1151440523. The next prime is 1151440567. The reversal of 1151440545 is 5450441511.

It is an interprime number because it is at equal distance from previous prime (1151440523) and next prime (1151440567).

It is not a de Polignac number, because 1151440545 - 2⁷ = 1151440417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815920 + ... + 817329.

It is an arithmetic number, because the mean of its divisors is an integer number (117594000).

Almost surely, 2^1151440545 is an apocalyptic number.

1151440545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151440545 is a deficient number, since it is larger than the sum of its proper divisors (730063455).

1151440545 is a wasteful number, since it uses less digits than its factorization.

1151440545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633304.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 1151440545 is about 33932.8829456031. The cubic root of 1151440545 is about 1048.1268326504.

The spelling of 1151440545 in words is "one billion, one hundred fifty-one million, four hundred forty thousand, five hundred forty-five".