145952851537 has 8 divisors (see below), whose sum is σ = 146414557800. Its totient is φ = 145491394560.

The previous prime is 145952851423. The next prime is 145952851547. The reversal of 145952851537 is 735158259541.

It can be written as a sum of positive squares in 4 ways, for example, as 26934061456 + 119018790081 = 164116^2 + 344991^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 145952851537 - 2⁷ = 145952851409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145952851547) 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, 1147473 + ... + 1268305.

It is an arithmetic number, because the mean of its divisors is an integer number (18301819725).

Almost surely, 2^145952851537 is an apocalyptic number.

It is an amenable number.

145952851537 is a deficient number, since it is larger than the sum of its proper divisors (461706263).

145952851537 is a wasteful number, since it uses less digits than its factorization.

145952851537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124643.

The product of its digits is 7560000, while the sum is 55.

The spelling of 145952851537 in words is "one hundred forty-five billion, nine hundred fifty-two million, eight hundred fifty-one thousand, five hundred thirty-seven".