154441002 has 8 divisors (see below), whose sum is σ = 308882016. Its totient is φ = 51480332.

The previous prime is 154440991. The next prime is 154441043. The reversal of 154441002 is 200144451.

It is a happy number.

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

154441002 is an admirable number.

It is a super-4 number, since 4×154441002⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 154441002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12870078 + ... + 12870089.

It is an arithmetic number, because the mean of its divisors is an integer number (38610252).

Almost surely, 2^154441002 is an apocalyptic number.

154441002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

154441002 is a wasteful number, since it uses less digits than its factorization.

154441002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25740172.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 154441002 is about 12427.4294204393. The cubic root of 154441002 is about 536.5220025099.

Adding to 154441002 its reverse (200144451), we get a palindrome (354585453).

The spelling of 154441002 in words is "one hundred fifty-four million, four hundred forty-one thousand, two".