149421055 has 16 divisors (see below), whose sum is σ = 207982080. Its totient is φ = 100929312.

The previous prime is 149421049. The next prime is 149421061. The reversal of 149421055 is 550124941.

It is an interprime number because it is at equal distance from previous prime (149421049) and next prime (149421061).

It is a cyclic number.

It is not a de Polignac number, because 149421055 - 2³ = 149421047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29515 + ... + 34204.

It is an arithmetic number, because the mean of its divisors is an integer number (12998880).

Almost surely, 2^149421055 is an apocalyptic number.

149421055 is a deficient number, since it is larger than the sum of its proper divisors (58561025).

149421055 is an equidigital number, since it uses as much as digits as its factorization.

149421055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63798.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 149421055 is about 12223.7905332184. The cubic root of 149421055 is about 530.6448245070.

Adding to 149421055 its reverse (550124941), we get a palindrome (699545996).

The spelling of 149421055 in words is "one hundred forty-nine million, four hundred twenty-one thousand, fifty-five".