145311054 has 64 divisors (see below), whose sum is σ = 350231040. Its totient is φ = 39312000.

The previous prime is 145310989. The next prime is 145311059. The reversal of 145311054 is 450113541.

It is a happy number.

It is a super-2 number, since 2×145311054² = 42230604829181832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145311059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63429 + ... + 65679.

It is an arithmetic number, because the mean of its divisors is an integer number (5472360).

Almost surely, 2^145311054 is an apocalyptic number.

145311054 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 145311054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175115520).

145311054 is an abundant number, since it is smaller than the sum of its proper divisors (204919986).

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

145311054 is a wasteful number, since it uses less digits than its factorization.

145311054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 145311054 is about 12054.5034738060. The cubic root of 145311054 is about 525.7341854991.

Adding to 145311054 its reverse (450113541), we get a palindrome (595424595).

The spelling of 145311054 in words is "one hundred forty-five million, three hundred eleven thousand, fifty-four".