154955645 has 8 divisors (see below), whose sum is σ = 200250456. Its totient is φ = 114428736.

The previous prime is 154955627. The next prime is 154955681. The reversal of 154955645 is 546559451.

It can be written as a sum of positive squares in 4 ways, for example, as 276676 + 154678969 = 526^2 + 12437^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 154955645 - 2¹⁴ = 154939261 is a prime.

It is a super-2 number, since 2×154955645² = 48022503834732050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154955596 and 154955605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191902 + ... + 1192031.

It is an arithmetic number, because the mean of its divisors is an integer number (25031307).

Almost surely, 2^154955645 is an apocalyptic number.

It is an amenable number.

154955645 is a deficient number, since it is larger than the sum of its proper divisors (45294811).

154955645 is a wasteful number, since it uses less digits than its factorization.

154955645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383951.

The product of its digits is 540000, while the sum is 44.

The square root of 154955645 is about 12448.1181308662. The cubic root of 154955645 is about 537.1172916591.

The spelling of 154955645 in words is "one hundred fifty-four million, nine hundred fifty-five thousand, six hundred forty-five".