1154400030 has 48 divisors (see below), whose sum is σ = 3430219104. Its totient is φ = 263862720.

The previous prime is 1154399941. The next prime is 1154400047. The reversal of 1154400030 is 300044511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1154399976 and 1154400012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915561 + ... + 916820.

It is an arithmetic number, because the mean of its divisors is an integer number (71462898).

Almost surely, 2^1154400030 is an apocalyptic number.

1154400030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1154400030 is an abundant number, since it is smaller than the sum of its proper divisors (2275819074).

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

1154400030 is a wasteful number, since it uses less digits than its factorization.

1154400030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832401 (or 1832398 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1154400030 is about 33976.4628824132. The cubic root of 1154400030 is about 1049.0240455314.

Adding to 1154400030 its reverse (300044511), we get a palindrome (1454444541).

The spelling of 1154400030 in words is "one billion, one hundred fifty-four million, four hundred thousand, thirty".