1154400045 has 32 divisors (see below), whose sum is σ = 1958992128. Its totient is φ = 578485248.

The previous prime is 1154399941. The next prime is 1154400047. The reversal of 1154400045 is 5400044511.

It is a happy number.

It is not a de Polignac number, because 1154400045 - 2¹³ = 1154391853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1154399988 and 1154400024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154400047) 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, 161487 + ... + 168483.

It is an arithmetic number, because the mean of its divisors is an integer number (61218504).

Almost surely, 2^1154400045 is an apocalyptic number.

1154400045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1154400045 is a deficient number, since it is larger than the sum of its proper divisors (804592083).

1154400045 is a wasteful number, since it uses less digits than its factorization.

1154400045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1154400045 is about 33976.4631031542. The cubic root of 1154400045 is about 1049.0240500750.

Adding to 1154400045 its reverse (5400044511), we get a palindrome (6554444556).

The spelling of 1154400045 in words is "one billion, one hundred fifty-four million, four hundred thousand, forty-five".