145242154 has 24 divisors (see below), whose sum is σ = 225100512. Its totient is φ = 70278000.

The previous prime is 145242143. The next prime is 145242157. The reversal of 145242154 is 451242541.

It is not an unprimeable number, because it can be changed into a prime (145242157) 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, 578529 + ... + 578779.

It is an arithmetic number, because the mean of its divisors is an integer number (9379188).

Almost surely, 2^145242154 is an apocalyptic number.

145242154 is a deficient number, since it is larger than the sum of its proper divisors (79858358).

145242154 is a wasteful number, since it uses less digits than its factorization.

145242154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 409 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 145242154 is about 12051.6452818692. The cubic root of 145242154 is about 525.6510791536.

Adding to 145242154 its reverse (451242541), we get a palindrome (596484695).

The spelling of 145242154 in words is "one hundred forty-five million, two hundred forty-two thousand, one hundred fifty-four".