145952851535 has 16 divisors (see below), whose sum is σ = 185980440096. Its totient is φ = 109577192448.

The previous prime is 145952851423. The next prime is 145952851547. The reversal of 145952851535 is 535158259541.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145952851535 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2444702 + ... + 2503691.

It is an arithmetic number, because the mean of its divisors is an integer number (11623777506).

Almost surely, 2^145952851535 is an apocalyptic number.

145952851535 is a deficient number, since it is larger than the sum of its proper divisors (40027588561).

145952851535 is a wasteful number, since it uses less digits than its factorization.

145952851535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948762.

The product of its digits is 5400000, while the sum is 53.

The spelling of 145952851535 in words is "one hundred forty-five billion, nine hundred fifty-two million, eight hundred fifty-one thousand, five hundred thirty-five".