145451543200 has 36 divisors (see below), whose sum is σ = 355083581790. Its totient is φ = 58180616960.

The previous prime is 145451543191. The next prime is 145451543291. The reversal of 145451543200 is 2345154541.

It can be written as a sum of positive squares in 3 ways, for example, as 141102404496 + 4349138704 = 375636^2 + 65948^2 .

It is a super-2 number, since 2×145451543200² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90906415 + ... + 90908014.

Almost surely, 2^145451543200 is an apocalyptic number.

145451543200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145451543200 is an abundant number, since it is smaller than the sum of its proper divisors (209632038590).

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

145451543200 is a wasteful number, since it uses less digits than its factorization.

145451543200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181814449 (or 181814436 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 145451543200 its reverse (2345154541), we get a palindrome (147796697741).

The spelling of 145451543200 in words is "one hundred forty-five billion, four hundred fifty-one million, five hundred forty-three thousand, two hundred".