148963457 has 4 divisors (see below), whose sum is σ = 149012820. Its totient is φ = 148914096.

The previous prime is 148963453. The next prime is 148963471. The reversal of 148963457 is 754369841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66080641 + 82882816 = 8129^2 + 9104^2 .

It is a cyclic number.

It is not a de Polignac number, because 148963457 - 2² = 148963453 is a prime.

It is a super-2 number, since 2×148963457² = 44380223042781698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148963453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19838 + ... + 26295.

It is an arithmetic number, because the mean of its divisors is an integer number (37253205).

Almost surely, 2^148963457 is an apocalyptic number.

It is an amenable number.

148963457 is a deficient number, since it is larger than the sum of its proper divisors (49363).

148963457 is an equidigital number, since it uses as much as digits as its factorization.

148963457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49362.

The product of its digits is 725760, while the sum is 47.

The square root of 148963457 is about 12205.0586643408. The cubic root of 148963457 is about 530.1025753761.

It can be divided in two parts, 1489 and 63457, that added together give a palindrome (64946).

The spelling of 148963457 in words is "one hundred forty-eight million, nine hundred sixty-three thousand, four hundred fifty-seven".