154512342 has 12 divisors (see below), whose sum is σ = 334776780. Its totient is φ = 51504108.

The previous prime is 154512307. The next prime is 154512343. The reversal of 154512342 is 243215451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154512343) 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, 4291992 + ... + 4292027.

It is an arithmetic number, because the mean of its divisors is an integer number (27898065).

Almost surely, 2^154512342 is an apocalyptic number.

154512342 is an abundant number, since it is smaller than the sum of its proper divisors (180264438).

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

154512342 is a wasteful number, since it uses less digits than its factorization.

154512342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584027 (or 8584024 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 154512342 is about 12430.2993527911. The cubic root of 154512342 is about 536.6046005835.

Adding to 154512342 its reverse (243215451), we get a palindrome (397727793).

The spelling of 154512342 in words is "one hundred fifty-four million, five hundred twelve thousand, three hundred forty-two".