148989742 has 16 divisors (see below), whose sum is σ = 244166400. Its totient is φ = 67621240.

The previous prime is 148989727. The next prime is 148989761. The reversal of 148989742 is 247989841.

It is a happy number.

148989742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 148989742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11109 + ... + 20527.

It is an arithmetic number, because the mean of its divisors is an integer number (15260400).

Almost surely, 2^148989742 is an apocalyptic number.

148989742 is a deficient number, since it is larger than the sum of its proper divisors (95176658).

148989742 is a wasteful number, since it uses less digits than its factorization.

148989742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151.

The product of its digits is 1161216, while the sum is 52.

The square root of 148989742 is about 12206.1354244495. The cubic root of 148989742 is about 530.1337528809.

Subtracting 148989742 from its reverse (247989841), we obtain a palindrome (99000099).

The spelling of 148989742 in words is "one hundred forty-eight million, nine hundred eighty-nine thousand, seven hundred forty-two".