145153554 has 64 divisors (see below), whose sum is σ = 361718784. Its totient is φ = 37809216.

The previous prime is 145153549. The next prime is 145153583. The reversal of 145153554 is 455351541.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 43717 + ... + 46919.

It is an arithmetic number, because the mean of its divisors is an integer number (5651856).

Almost surely, 2^145153554 is an apocalyptic number.

145153554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145153554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180859392).

145153554 is an abundant number, since it is smaller than the sum of its proper divisors (216565230).

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

145153554 is a wasteful number, since it uses less digits than its factorization.

145153554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311.

The product of its digits is 30000, while the sum is 33.

The square root of 145153554 is about 12047.9688744618. The cubic root of 145153554 is about 525.5441722684.

The spelling of 145153554 in words is "one hundred forty-five million, one hundred fifty-three thousand, five hundred fifty-four".