149767185053 has 4 divisors (see below), whose sum is σ = 149771730528. Its totient is φ = 149762639580.

The previous prime is 149767185049. The next prime is 149767185059. The reversal of 149767185053 is 350581767941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350581767941 = 411409 ⋅852149.

It is a cyclic number.

It is not a de Polignac number, because 149767185053 - 2² = 149767185049 is a prime.

It is a super-2 number, since 2×149767185053² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149767185053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149767185059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222951 + ... + 2289332.

It is an arithmetic number, because the mean of its divisors is an integer number (37442932632).

Almost surely, 2^149767185053 is an apocalyptic number.

It is an amenable number.

149767185053 is a deficient number, since it is larger than the sum of its proper divisors (4545475).

149767185053 is an equidigital number, since it uses as much as digits as its factorization.

149767185053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545474.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 149767185053 in words is "one hundred forty-nine billion, seven hundred sixty-seven million, one hundred eighty-five thousand, fifty-three".