154000245 has 32 divisors (see below), whose sum is σ = 286924032. Its totient is φ = 69069312.

The previous prime is 154000241. The next prime is 154000261. The reversal of 154000245 is 542000451.

154000245 = T₂₀ + T₂₁ + ... + T₉₇₃.

It is not a de Polignac number, because 154000245 - 2² = 154000241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154000241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8272 + ... + 19401.

It is an arithmetic number, because the mean of its divisors is an integer number (8966376).

Almost surely, 2^154000245 is an apocalyptic number.

154000245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154000245 is a deficient number, since it is larger than the sum of its proper divisors (132923787).

154000245 is a wasteful number, since it uses less digits than its factorization.

154000245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27741.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 154000245 is about 12409.6835173182. The cubic root of 154000245 is about 536.0111253446.

Adding to 154000245 its reverse (542000451), we get a palindrome (696000696).

The spelling of 154000245 in words is "one hundred fifty-four million, two hundred forty-five", and thus it is an aban number.