145334542 has 8 divisors (see below), whose sum is σ = 218334600. Its totient is φ = 72556344.

The previous prime is 145334537. The next prime is 145334543. The reversal of 145334542 is 245433541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145334542² = 42244258196699528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145334543) 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, 53817 + ... + 56452.

It is an arithmetic number, because the mean of its divisors is an integer number (27291825).

Almost surely, 2^145334542 is an apocalyptic number.

145334542 is a deficient number, since it is larger than the sum of its proper divisors (73000058).

145334542 is a wasteful number, since it uses less digits than its factorization.

145334542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110930.

The product of its digits is 28800, while the sum is 31.

The square root of 145334542 is about 12055.4776761437. The cubic root of 145334542 is about 525.7625104360.

The spelling of 145334542 in words is "one hundred forty-five million, three hundred thirty-four thousand, five hundred forty-two".