145132401540 has 48 divisors (see below), whose sum is σ = 464423686272. Its totient is φ = 33173120256.

The previous prime is 145132401473. The next prime is 145132401541. The reversal of 145132401540 is 45104231541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 145132401498 and 145132401507.

It is not an unprimeable number, because it can be changed into a prime (145132401541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172776249 + ... + 172777088.

It is an arithmetic number, because the mean of its divisors is an integer number (9675493464).

Almost surely, 2^145132401540 is an apocalyptic number.

145132401540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145132401540 is an abundant number, since it is smaller than the sum of its proper divisors (319291284732).

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

145132401540 is a wasteful number, since it uses less digits than its factorization.

145132401540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345553356 (or 345553354 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 145132401540 in words is "one hundred forty-five billion, one hundred thirty-two million, four hundred one thousand, five hundred forty".