149067553 has 4 divisors (see below), whose sum is σ = 151167168. Its totient is φ = 146967940.

The previous prime is 149067547. The next prime is 149067593. The reversal of 149067553 is 355760941.

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.

It is a cyclic number.

It is not a de Polignac number, because 149067553 - 2¹⁷ = 148936481 is a prime.

It is a super-2 number, since 2×149067553² = 44442270714815618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149067593) 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, 1049701 + ... + 1049842.

It is an arithmetic number, because the mean of its divisors is an integer number (37791792).

Almost surely, 2^149067553 is an apocalyptic number.

It is an amenable number.

149067553 is a deficient number, since it is larger than the sum of its proper divisors (2099615).

149067553 is an equidigital number, since it uses as much as digits as its factorization.

149067553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099614.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 149067553 is about 12209.3223808695. The cubic root of 149067553 is about 530.2260255835.

The spelling of 149067553 in words is "one hundred forty-nine million, sixty-seven thousand, five hundred fifty-three".