145050025645 has 24 divisors (see below), whose sum is σ = 203836959000. Its totient is φ = 98795313792.

The previous prime is 145050025643. The next prime is 145050025651. The reversal of 145050025645 is 546520050541.

It can be written as a sum of positive squares in 4 ways, for example, as 8041964329 + 137008061316 = 89677^2 + 370146^2 .

It is not a de Polignac number, because 145050025645 - 2¹ = 145050025643 is a prime.

It is a super-3 number, since 3×145050025645³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145050025643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1950210 + ... + 2023219.

It is an arithmetic number, because the mean of its divisors is an integer number (8493206625).

Almost surely, 2^145050025645 is an apocalyptic number.

It is an amenable number.

145050025645 is a deficient number, since it is larger than the sum of its proper divisors (58786933355).

145050025645 is a wasteful number, since it uses less digits than its factorization.

145050025645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973597 (or 3973590 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 145050025645 in words is "one hundred forty-five billion, fifty million, twenty-five thousand, six hundred forty-five".