149242433 has 4 divisors (see below), whose sum is σ = 151470000. Its totient is φ = 147014868.

The previous prime is 149242427. The next prime is 149242451. The reversal of 149242433 is 334242941.

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 149242433 - 2¹⁶ = 149176897 is a prime.

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 149242433.

It is not an unprimeable number, because it can be changed into a prime (149242453) 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, 1113683 + ... + 1113816.

It is an arithmetic number, because the mean of its divisors is an integer number (37867500).

Almost surely, 2^149242433 is an apocalyptic number.

It is an amenable number.

149242433 is a deficient number, since it is larger than the sum of its proper divisors (2227567).

149242433 is an equidigital number, since it uses as much as digits as its factorization.

149242433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227566.

The product of its digits is 20736, while the sum is 32.

The square root of 149242433 is about 12216.4820222517. The cubic root of 149242433 is about 530.4332911003.

The spelling of 149242433 in words is "one hundred forty-nine million, two hundred forty-two thousand, four hundred thirty-three".