154133251342 has 24 divisors (see below), whose sum is σ = 269033066064. Its totient is φ = 66035918592.

The previous prime is 154133251241. The next prime is 154133251343. The reversal of 154133251342 is 243152331451.

It is a super-2 number, since 2×154133251342² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154133251298 and 154133251307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154133251343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56743 + ... + 558109.

It is an arithmetic number, because the mean of its divisors is an integer number (11209711086).

Almost surely, 2^154133251342 is an apocalyptic number.

154133251342 is a deficient number, since it is larger than the sum of its proper divisors (114899814722).

154133251342 is a wasteful number, since it uses less digits than its factorization.

154133251342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504520 (or 504513 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

Adding to 154133251342 its reverse (243152331451), we get a palindrome (397285582793).

The spelling of 154133251342 in words is "one hundred fifty-four billion, one hundred thirty-three million, two hundred fifty-one thousand, three hundred forty-two".