145643154 has 8 divisors (see below), whose sum is σ = 291286320. Its totient is φ = 48547716.

The previous prime is 145643149. The next prime is 145643159. The reversal of 145643154 is 451346541.

It is an interprime number because it is at equal distance from previous prime (145643149) and next prime (145643159).

It is a sphenic number, since it is the product of 3 distinct primes.

145643154 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (145643159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12136924 + ... + 12136935.

It is an arithmetic number, because the mean of its divisors is an integer number (36410790).

Almost surely, 2^145643154 is an apocalyptic number.

145643154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145643154 is a wasteful number, since it uses less digits than its factorization.

145643154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24273864.

The product of its digits is 28800, while the sum is 33.

The square root of 145643154 is about 12068.2705471828. The cubic root of 145643154 is about 526.1343924504.

Adding to 145643154 its reverse (451346541), we get a palindrome (596989695).

The spelling of 145643154 in words is "one hundred forty-five million, six hundred forty-three thousand, one hundred fifty-four".