149665480705 has 16 divisors (see below), whose sum is σ = 200083297680. Its totient is φ = 106711089408.

The previous prime is 149665480693. The next prime is 149665480709. The reversal of 149665480705 is 507084566941.

It can be written as a sum of positive squares in 8 ways, for example, as 1092236401 + 148573244304 = 33049^2 + 385452^2 .

It is a cyclic number.

It is not a de Polignac number, because 149665480705 - 2¹⁹ = 149664956417 is a prime.

It is a super-2 number, since 2×149665480705² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149665480709) 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, 39697182 + ... + 39700951.

It is an arithmetic number, because the mean of its divisors is an integer number (12505206105).

Almost surely, 2^149665480705 is an apocalyptic number.

It is an amenable number.

149665480705 is a deficient number, since it is larger than the sum of its proper divisors (50417816975).

149665480705 is a wasteful number, since it uses less digits than its factorization.

149665480705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79398180.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 149665480705 in words is "one hundred forty-nine billion, six hundred sixty-five million, four hundred eighty thousand, seven hundred five".