153378742 has 32 divisors (see below), whose sum is σ = 256089600. Its totient is φ = 68315520.

The previous prime is 153378739. The next prime is 153378749. The reversal of 153378742 is 247873351.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 153378695 and 153378704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153378749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255759 + ... + 256357.

It is an arithmetic number, because the mean of its divisors is an integer number (8002800).

Almost surely, 2^153378742 is an apocalyptic number.

153378742 is a deficient number, since it is larger than the sum of its proper divisors (102710858).

153378742 is a wasteful number, since it uses less digits than its factorization.

153378742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828.

The product of its digits is 141120, while the sum is 40.

The square root of 153378742 is about 12384.6171519349. The cubic root of 153378742 is about 535.2890882380.

The spelling of 153378742 in words is "one hundred fifty-three million, three hundred seventy-eight thousand, seven hundred forty-two".