149240901 has 4 divisors (see below), whose sum is σ = 198987872. Its totient is φ = 99493932.

The previous prime is 149240881. The next prime is 149240911. The reversal of 149240901 is 109042941.

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 not a de Polignac number, because 149240901 - 2⁶ = 149240837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149240911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24873481 + ... + 24873486.

It is an arithmetic number, because the mean of its divisors is an integer number (49746968).

Almost surely, 2^149240901 is an apocalyptic number.

It is an amenable number.

149240901 is a deficient number, since it is larger than the sum of its proper divisors (49746971).

149240901 is an equidigital number, since it uses as much as digits as its factorization.

149240901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49746970.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 149240901 is about 12216.4193199153. The cubic root of 149240901 is about 530.4314760968.

The spelling of 149240901 in words is "one hundred forty-nine million, two hundred forty thousand, nine hundred one".