149433751 has 2 divisors, whose sum is σ = 149433752. Its totient is φ = 149433750.

The previous prime is 149433749. The next prime is 149433761. The reversal of 149433751 is 157334941.

149433751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149433751 - 2¹ = 149433749 is a prime.

Together with 149433749, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 149433751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149433731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74716875 + 74716876.

It is an arithmetic number, because the mean of its divisors is an integer number (74716876).

Almost surely, 2^149433751 is an apocalyptic number.

149433751 is a deficient number, since it is larger than the sum of its proper divisors (1).

149433751 is an equidigital number, since it uses as much as digits as its factorization.

149433751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 149433751 is about 12224.3098373691. The cubic root of 149433751 is about 530.6598533481.

It can be divided in two parts, 1494 and 33751, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 149433751 in words is "one hundred forty-nine million, four hundred thirty-three thousand, seven hundred fifty-one".