145511052 has 12 divisors (see below), whose sum is σ = 339525816. Its totient is φ = 48503680.

The previous prime is 145511033. The next prime is 145511053. The reversal of 145511052 is 250115541.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (145511053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6062949 + ... + 6062972.

It is an arithmetic number, because the mean of its divisors is an integer number (28293818).

Almost surely, 2^145511052 is an apocalyptic number.

145511052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145511052 is an abundant number, since it is smaller than the sum of its proper divisors (194014764).

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

145511052 is a wasteful number, since it uses less digits than its factorization.

145511052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125928 (or 12125926 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 145511052 is about 12062.7961932547. The cubic root of 145511052 is about 525.9752719608.

Adding to 145511052 its reverse (250115541), we get a palindrome (395626593).

The spelling of 145511052 in words is "one hundred forty-five million, five hundred eleven thousand, fifty-two".