154145412431 has 4 divisors (see below), whose sum is σ = 156758046600. Its totient is φ = 151532778264.

The previous prime is 154145412413. The next prime is 154145412439. The reversal of 154145412431 is 134214541451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154145412431 is a prime.

It is a super-2 number, since 2×154145412431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154145412391 and 154145412400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154145412439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306316996 + ... + 1306317113.

It is an arithmetic number, because the mean of its divisors is an integer number (39189511650).

Almost surely, 2^154145412431 is an apocalyptic number.

154145412431 is a deficient number, since it is larger than the sum of its proper divisors (2612634169).

154145412431 is an equidigital number, since it uses as much as digits as its factorization.

154145412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612634168.

The product of its digits is 38400, while the sum is 35.

Adding to 154145412431 its reverse (134214541451), we get a palindrome (288359953882).

The spelling of 154145412431 in words is "one hundred fifty-four billion, one hundred forty-five million, four hundred twelve thousand, four hundred thirty-one".