145017554 has 8 divisors (see below), whose sum is σ = 237301488. Its totient is φ = 65917060.

The previous prime is 145017539. The next prime is 145017559. The reversal of 145017554 is 455710541.

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

It is a self number, because there is not a number n which added to its sum of digits gives 145017554.

It is not an unprimeable number, because it can be changed into a prime (145017559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3295832 + ... + 3295875.

It is an arithmetic number, because the mean of its divisors is an integer number (29662686).

Almost surely, 2^145017554 is an apocalyptic number.

145017554 is a deficient number, since it is larger than the sum of its proper divisors (92283934).

145017554 is a wasteful number, since it uses less digits than its factorization.

145017554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591720.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 145017554 is about 12042.3234469101. The cubic root of 145017554 is about 525.3799867344.

The spelling of 145017554 in words is "one hundred forty-five million, seventeen thousand, five hundred fifty-four".