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145871054 = 2710419361
BaseRepresentation
bin10001011000111…
…01000011001110
3101011111000110122
420230131003032
5244320333204
622250304542
73420612020
oct1054350316
9334430418
10145871054
117538209a
1240a28152
13242b4744
1415532010
15cc160be
hex8b1d0ce

145871054 has 8 divisors (see below), whose sum is σ = 250064688. Its totient is φ = 62516160.

The previous prime is 145871041. The next prime is 145871081. The reversal of 145871054 is 450178541.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5209667 + ... + 5209694.

It is an arithmetic number, because the mean of its divisors is an integer number (31258086).

Almost surely, 2145871054 is an apocalyptic number.

145871054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145871054 is a deficient number, since it is larger than the sum of its proper divisors (104193634).

145871054 is a wasteful number, since it uses less digits than its factorization.

145871054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10419370.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 145871054 is about 12077.7089714896. The cubic root of 145871054 is about 526.4086782343.

The spelling of 145871054 in words is "one hundred forty-five million, eight hundred seventy-one thousand, fifty-four".

Divisors: 1 2 7 14 10419361 20838722 72935527 145871054