148531157437 has 8 divisors (see below), whose sum is σ = 163858012920. Its totient is φ = 133761642240.

The previous prime is 148531157393. The next prime is 148531157461. The reversal of 148531157437 is 734751135841.

148531157437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30213044761 + 118318112676 = 173819^2 + 343974^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148531157437 - 2³¹ = 146383673789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148531157477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139334512 + ... + 139335577.

It is an arithmetic number, because the mean of its divisors is an integer number (20482251615).

Almost surely, 2^148531157437 is an apocalyptic number.

It is an amenable number.

148531157437 is a deficient number, since it is larger than the sum of its proper divisors (15326855483).

148531157437 is a wasteful number, since it uses less digits than its factorization.

148531157437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278670143.

The product of its digits is 1411200, while the sum is 49.

The spelling of 148531157437 in words is "one hundred forty-eight billion, five hundred thirty-one million, one hundred fifty-seven thousand, four hundred thirty-seven".