149628042 has 12 divisors (see below), whose sum is σ = 324194130. Its totient is φ = 49876008.

The previous prime is 149628013. The next prime is 149628047. The reversal of 149628042 is 240826941.

It can be written as a sum of positive squares in only one way, i.e., 140209281 + 9418761 = 11841^2 + 3069^2 .

It is a super-3 number, since 3×149628042³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149627988 and 149628006.

It is not an unprimeable number, because it can be changed into a prime (149628047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4156317 + ... + 4156352.

Almost surely, 2^149628042 is an apocalyptic number.

149628042 is an abundant number, since it is smaller than the sum of its proper divisors (174566088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149628042 is a wasteful number, since it uses less digits than its factorization.

149628042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312677 (or 8312674 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 149628042 is about 12232.2541667511. The cubic root of 149628042 is about 530.8897384559.

The spelling of 149628042 in words is "one hundred forty-nine million, six hundred twenty-eight thousand, forty-two".