148438658557 has 16 divisors (see below), whose sum is σ = 179227906560. Its totient is φ = 120232038528.

The previous prime is 148438658551. The next prime is 148438658573. The reversal of 148438658557 is 755856834841.

It is not a de Polignac number, because 148438658557 - 2¹⁵ = 148438625789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148438658551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7769448 + ... + 7788529.

It is an arithmetic number, because the mean of its divisors is an integer number (11201744160).

Almost surely, 2^148438658557 is an apocalyptic number.

It is an amenable number.

148438658557 is a deficient number, since it is larger than the sum of its proper divisors (30789248003).

148438658557 is a wasteful number, since it uses less digits than its factorization.

148438658557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15558060.

The product of its digits is 129024000, while the sum is 64.

The spelling of 148438658557 in words is "one hundred forty-eight billion, four hundred thirty-eight million, six hundred fifty-eight thousand, five hundred fifty-seven".