145025461506 has 16 divisors (see below), whose sum is σ = 290119045248. Its totient is φ = 48330466800.

The previous prime is 145025461487. The next prime is 145025461541. The reversal of 145025461506 is 605164520541.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810730 + ... + 2861861.

It is an arithmetic number, because the mean of its divisors is an integer number (18132440328).

Almost surely, 2^145025461506 is an apocalyptic number.

145025461506 is an abundant number, since it is smaller than the sum of its proper divisors (145093583742).

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

145025461506 is a wasteful number, since it uses less digits than its factorization.

145025461506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676857.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 145025461506 in words is "one hundred forty-five billion, twenty-five million, four hundred sixty-one thousand, five hundred six".