145888551803522 has 16 divisors (see below), whose sum is σ = 240045653300544. Its totient is φ = 65946608046000.

The previous prime is 145888551803473. The next prime is 145888551803587. The reversal of 145888551803522 is 225308155888541.

It is a happy 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, 18318498254 + ... + 18318506217.

It is an arithmetic number, because the mean of its divisors is an integer number (15002853331284).

Almost surely, 2^{145888551803522} is an apocalyptic number.

145888551803522 is a deficient number, since it is larger than the sum of its proper divisors (94157101497022).

145888551803522 is a wasteful number, since it uses less digits than its factorization.

145888551803522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36637004665.

The product of its (nonzero) digits is 122880000, while the sum is 65.

The spelling of 145888551803522 in words is "one hundred forty-five trillion, eight hundred eighty-eight billion, five hundred fifty-one million, eight hundred three thousand, five hundred twenty-two".