145320154540 has 48 divisors (see below), whose sum is σ = 337604246784. Its totient is φ = 52099409600.

The previous prime is 145320154517. The next prime is 145320154541. The reversal of 145320154540 is 45451023541.

It is a super-2 number, since 2×145320154540² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145320154496 and 145320154505.

It is not an unprimeable number, because it can be changed into a prime (145320154541) 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, 4636114 + ... + 4667353.

It is an arithmetic number, because the mean of its divisors is an integer number (7033421808).

Almost surely, 2^145320154540 is an apocalyptic number.

145320154540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145320154540 is an abundant number, since it is smaller than the sum of its proper divisors (192284092244).

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

145320154540 is a wasteful number, since it uses less digits than its factorization.

145320154540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303558 (or 9303556 counting only the distinct ones).

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

The spelling of 145320154540 in words is "one hundred forty-five billion, three hundred twenty million, one hundred fifty-four thousand, five hundred forty".