149484856477 has 6 divisors (see below), whose sum is σ = 164309801054. Its totient is φ = 135895323960.

The previous prime is 149484856457. The next prime is 149484856483. The reversal of 149484856477 is 774658484941.

It can be written as a sum of positive squares in only one way, i.e., 143970160356 + 5514696121 = 379434^2 + 74261^2 .

It is not a de Polignac number, because 149484856477 - 2⁷ = 149484856349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149484856427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617705898 + ... + 617706139.

Almost surely, 2^149484856477 is an apocalyptic number.

It is an amenable number.

149484856477 is a deficient number, since it is larger than the sum of its proper divisors (14824944577).

149484856477 is a wasteful number, since it uses less digits than its factorization.

149484856477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235412059 (or 1235412048 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 67.

The spelling of 149484856477 in words is "one hundred forty-nine billion, four hundred eighty-four million, eight hundred fifty-six thousand, four hundred seventy-seven".