148783401 has 24 divisors (see below), whose sum is σ = 237702920. Its totient is φ = 89081856.

The previous prime is 148783399. The next prime is 148783409. The reversal of 148783401 is 104387841.

It can be written as a sum of positive squares in 4 ways, for example, as 69555600 + 79227801 = 8340^2 + 8901^2 .

It is not a de Polignac number, because 148783401 - 2¹ = 148783399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148783409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12856 + ... + 21513.

Almost surely, 2^148783401 is an apocalyptic number.

It is an amenable number.

148783401 is a deficient number, since it is larger than the sum of its proper divisors (88919519).

148783401 is a wasteful number, since it uses less digits than its factorization.

148783401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34425 (or 34422 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 148783401 is about 12197.6801482905. The cubic root of 148783401 is about 529.8889063462. Note that the first 3 decimals are identical.

The spelling of 148783401 in words is "one hundred forty-eight million, seven hundred eighty-three thousand, four hundred one".