149248743 has 32 divisors (see below), whose sum is σ = 244992000. Its totient is φ = 78908256.

The previous prime is 149248741. The next prime is 149248747. The reversal of 149248743 is 347842941.

It is not a de Polignac number, because 149248743 - 2¹ = 149248741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149248695 and 149248704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149248741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12808 + ... + 21506.

It is an arithmetic number, because the mean of its divisors is an integer number (7656000).

Almost surely, 2^149248743 is an apocalyptic number.

149248743 is a deficient number, since it is larger than the sum of its proper divisors (95743257).

149248743 is a wasteful number, since it uses less digits than its factorization.

149248743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771.

The product of its digits is 193536, while the sum is 42.

The square root of 149248743 is about 12216.7402771771. The cubic root of 149248743 is about 530.4407666035.

The spelling of 149248743 in words is "one hundred forty-nine million, two hundred forty-eight thousand, seven hundred forty-three".