2345445432 has 192 divisors, whose sum is σ = 7088796000. Its totient is φ = 694656000.

The previous prime is 2345445379. The next prime is 2345445433.

2345445432 is a `hidden beast` number, since 2 + 34 + 544 + 54 + 32 = 666.

2345445432 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2345445432² = 11002228548979333248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345445433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8718994 + ... + 8719262.

Almost surely, 2^2345445432 is an apocalyptic number.

2345445432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2345445432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544398000).

2345445432 is an abundant number, since it is smaller than the sum of its proper divisors (4743350568).

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

2345445432 is a wasteful number, since it uses less digits than its factorization.

2345445432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 495 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 2345445432 is about 48429.7990084617. The cubic root of 2345445432 is about 1328.6434303379.

It can be divided in two parts, 23454 and 45432, that added together give a palindrome (68886).

The spelling of 2345445432 in words is "two billion, three hundred forty-five million, four hundred forty-five thousand, four hundred thirty-two".