145450154 has 4 divisors (see below), whose sum is σ = 218175234. Its totient is φ = 72725076.

The previous prime is 145450127. The next prime is 145450159. The reversal of 145450154 is 451054541.

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

It can be written as a sum of positive squares in only one way, i.e., 109725625 + 35724529 = 10475^2 + 5977^2 .

It is not an unprimeable number, because it can be changed into a prime (145450159) 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 as a sum of consecutive naturals, namely, 36362537 + ... + 36362540.

Almost surely, 2^145450154 is an apocalyptic number.

145450154 is a deficient number, since it is larger than the sum of its proper divisors (72725080).

145450154 is an equidigital number, since it uses as much as digits as its factorization.

145450154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72725079.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 145450154 is about 12060.2717216487. The cubic root of 145450154 is about 525.9018862142.

The spelling of 145450154 in words is "one hundred forty-five million, four hundred fifty thousand, one hundred fifty-four".