145501544533 has 8 divisors (see below), whose sum is σ = 149632347168. Its totient is φ = 141422056464.

The previous prime is 145501544483. The next prime is 145501544543. The reversal of 145501544533 is 335445105541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145501544533 - 2⁹ = 145501544021 is a prime.

It is a super-2 number, since 2×145501544533² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145501544543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12822891 + ... + 12834232.

It is an arithmetic number, because the mean of its divisors is an integer number (18704043396).

Almost surely, 2^145501544533 is an apocalyptic number.

It is an amenable number.

145501544533 is a deficient number, since it is larger than the sum of its proper divisors (4130802635).

145501544533 is a wasteful number, since it uses less digits than its factorization.

145501544533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25657283.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 145501544533 in words is "one hundred forty-five billion, five hundred one million, five hundred forty-four thousand, five hundred thirty-three".