148997594 has 16 divisors (see below), whose sum is σ = 236944896. Its totient is φ = 70146000.

The previous prime is 148997591. The next prime is 148997603. The reversal of 148997594 is 495799841.

It is not an unprimeable number, because it can be changed into a prime (148997591) 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 7 ways as a sum of consecutive naturals, for example, 30182 + ... + 34769.

It is an arithmetic number, because the mean of its divisors is an integer number (14809056).

Almost surely, 2^148997594 is an apocalyptic number.

148997594 is a deficient number, since it is larger than the sum of its proper divisors (87947302).

148997594 is a wasteful number, since it uses less digits than its factorization.

148997594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65021.

The product of its digits is 3265920, while the sum is 56.

The square root of 148997594 is about 12206.4570617358. The cubic root of 148997594 is about 530.1430656856.

The spelling of 148997594 in words is "one hundred forty-eight million, nine hundred ninety-seven thousand, five hundred ninety-four".